The changelog states: "Added support for “differential” uploads. When large files are edited, Drive for desktop will now upload only the parts of the file that changed."
Okay, but let's say Google implements that. Than Dropbox is toast, right?
It's such a shame, because I absolutely believe that simpler products which focus on one thing and do it well are basically always a better user experience (and I personally try to use them wherever possible). But I think the business case is hard.
Block based syncing.